Home / 48,388,421.40-72,582,632.10-21,462,077.40

Finding the Fourth Proportional to 48,388,421.40, 72,582,632.10 and 21,462,077.40

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Solution

The fourth proportional to 48,388,421.40, 72,582,632.10 and 21,462,077.40 is: 32,193,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,421.40 : 72,582,632.10 = 21,462,077.40 : x
  2. Step 2: Convert to fraction form
    48,388,421.40/72,582,632.10 = 21,462,077.40/x
  3. Step 3: Cross multiply
    48,388,421.40x = 72,582,632.10 × 21,462,077.40
  4. Step 4: Simplify right side
    48,388,421.40x = 1,557,774,068,025,924.25
  5. Step 5: Solve for x
    x = 1,557,774,068,025,924.25/48,388,421.40
  6. Step 6: Final answer
    x = 32,193,116.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.